Atomic No Of Carbon
Atomicity is defined as the total number of atoms present in a molecule. For example, each molecule of oxygen (O2) is composed of two oxygen atoms. So atomicity of oxygen is 2.[1]In older contexts, the term atomicity is sometimes used in the same sense as valency.
On the basis of atomicity, molecules can be classified as:
- Monatomic – composed of 1 atom e.g. He, Ne, Ar (all noble gases are monatomic)
- Diatomic – composed of 2 atoms e.g. H2 , N2 , O2
- Triatomic – composed of 3 atoms e.g. O3
- Polyatomic – composed of 3 or more atoms e.g. P4 , S8
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Atomic No Of Carbonic Acid
All metals and some other elements, such as carbon, do not have a simple structure but consist of a very large and indefinite number of atoms bonded together. Their atomicity cannot be determined and is usually considered as 1.
Atomicity may vary in different allotropes of the same element.
Examples[edit]
Atomic No Of Carbon Is Called
The atomicity of the first 31 elements in the periodic table is as follows:
Atomic Number | Element | Atomicity |
---|---|---|
1 | Hydrogen | 2 |
2 | Helium | 1 |
3 | Lithium | 1 |
4 | Beryllium | 1 |
5 | Boron | 1* |
6 | Carbon | 1 |
7 | Nitrogen | 2 |
8 | Oxygen | 2 |
9 | Fluorine | 2 |
10 | Neon | 1 |
11 | Sodium | 1 |
12 | Magnesium | 1 |
13 | Aluminium | 1 |
14 | Silicon | 1** |
15 | Phosphorus | 4 |
16 | Sulphur | 8 |
17 | Chlorine | 2 |
18 | Argon | 1 |
19 | Potassium | 1 |
20 | Calcium | 1 |
21 | Scandium | 1 |
22 | Titanium | 1 |
23 | Vanadium | 1 |
24 | Chromium | 1 |
25 | Manganese | 1 |
26 | Iron | 1 |
27 | Cobalt | 1 |
28 | Nickel | 1 |
29 | Copper | 1 |
30 | Zinc | 1 |
31 | Gallium | 1 |
* Boron has too many allotropes. | ||
** Silicon forms network lattice. |
References[edit]
- ^Determination of Chlorine in Oxygen From Solid Chemical Oxygen Generators, SAE International, doi:10.4271/arp1320
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Study of atomicity